Contr. Nat. Herb , Vol. IX. 



PLATE IX. 



FIG. 1. MARGINAL NECTAR GLANDS OF RICINUS LEAF. ENLARGED 43 DIAMETERS. 



FIG. 2. CROSS SECTION THROUGH LARGE NECTAR GLANDS AT BASE OF RICINUS LEAF- 

 BLADE. ENLARGED 30 DIAMETERS. 



